ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,299, issued on June 17.
"Rotary goblet" was invented by Guopei Lin (Jiangmen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary goblet is provided, it comprises a goblet body and a base, a bottom of the goblet body is connected to a connecting rod, a bearing is mounted at a top of the base, an inner side of the inner ring of the bearing is provided with a internal thread, and an outer side of a bottom of the connecting rod is provided with a external thread corresponding to the internal thread, and the bottom of the connecting rod is screwed connected to the inner side of the inner ring of the bearing; a connecting seat is mounted at the...